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地毯草Axonopus compressus

时间:2013-09-11 13:34来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):地毯草 学名( Scientific Name ): Axonopus compressus (Sw.) P. Beauv. 英文名( English Common Name ): broadleaf carpetgrass 别名( Chinese Common Name ): 大叶油草 异名( Synonym ): Paspalum guadaloupense St
中文名(Chinese Name):地毯草
学名(Scientific Name):Axonopus compressus (Sw.) P. Beauv.
英文名(English Common Name):broadleaf carpetgrass
别名(Chinese Common Name):大叶油草
异名(Synonym):Paspalum guadaloupense Steud.  Paspalum platyculmum Thouars ex Nees  Axonopus compressus var. itirapinensis G.A.Black  Axonopus compressus var. macropodius (Steud.) G.A.Black  Axonopus compressus var. australis G.A.Black  Paspalum conjugatum var. subcordatum Griseb.  Paspalum longissimum var. guadaloupense (Steud.) Steud. ex Griseb.  Anastrophus platyculmus (Nees) Schltdl. ex B.D.Jacks.  Paspalum raunkiaeri Mez  Anastrophus platicaulis (Poir.) Nash  Axonopus kisantuensis Vanderyst  Paspalum furcatum var. parviflorum Döll  Panicum platicaulon (Poir.) Kuntze  Axonopus compressus subsp. brevipedunculatus Gledhill  Anastrophus platyculmis Schltdl.  Axonopus compressus var. compressus  
科属(Family & Genus):禾本科(Gramineae)地毯草属
形态特征(Description):多年生草本。具长匍匐枝。秆压扁,高8-60厘米,节密生灰白色柔毛。叶鞘松弛,基部者互相跨复,压扁,呈脊,边缘质较薄,近鞘口处常疏生毛;叶舌长约0.5毫米;叶片扁平,质地柔薄,长5-10厘米,宽(2)6-12毫米,两面无毛或上面被柔毛,近基部边缘疏生纤毛。总状花序2-5枚,长4-8厘米,最长两枚成对而生,呈指状排列在主轴上;小穗长圆状披针形,长2.2-2.5毫米,疏生柔毛,单生;第一颖缺;第二颖与第一外稃等长或第二颖稍短;第一内稃缺;第二外稃革质,短于小穗,具细点状横皱纹,先端钝而疏生细毛,边缘稍厚,包着同质内稃;鳞片2,折叠,具细脉纹;花柱基分离,柱头羽状,白色。染色体2n=80(Burton,1942),40(Jona Ki Ammal, 1945),50,60 (Nunez,Parodi,1946)。
分布(Distribution):原产热带美洲,世界各热带、亚热带地区有引种栽培。
用途(Use):
引自中国植物志英文版FOC Vol. 22 Page 530, 531      
Axonopus compressus (Swartz) P. Beauvois, Ess. Agrostogr. 12. 1812.
地毯草 di tan cao | Poaceae  | Axonopus
Milium compressum Swartz, Prodr. 24. 1788; Paspalum compressum (Swartz) Raspail (1825), not Rafinesque (1817); P. guadaloupense Steudel.
Perennial with vigorous creeping stolons, forming sward. Culms 15–60 cm tall, nodes bearded. Leaf sheaths loose, strongly compressed, keeled, basal sheaths imbricate; leaf blades broadly linear to lanceolate, flat or folded, 5–20 × 0.6–1.2 cm, glabrous or adaxial surface pilose, apex obtuse; ligule 0.3–0.5 mm. Racemes 2–5, digitate or subdigitate, 4–10 cm, only slightly diverging; rachis glabrous. Spikelets oblong-lanceolate, 2–2.7 mm, pilose or glabrous, apex acute; upper glume and lower lemma 2–4-veined, midvein absent, laterals marginal; upper lemma pale, oblong-elliptic, shorter than spikelet, obtuse with an apical tuft of hairs; stigmas pale. Fl. and fr. summer–autumn. 2n = 40, 50, 60, 80.
Roadsides, weedy places on moist ground, naturalized. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Taiwan, Yunnan [native to tropical America; widely introduced elsewhere].
This is a good lawn and fodder grass.




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